Lower receivers and parts for AR-15 rifles.

AR-15 Lower Receiver Articles

AR-15 Lower Receiver Articles for May 2011

AR-15 Lower Receiver Articles for May 2011

A list of the internal parts for the AR-15 lower receiver. Please note: AR-15 lower receiver parts and M-16 parts are different, and, As of May of 1986 there can be no new machine guns made for the civilian population.